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Belarus' President Alexander Lukashenko (C) gestures next to Russia's President Vladimir Putin (2nd L), Ukraine's President Petro Poroshenko (2nd R), EU foreign policy chief Catherine Ashton (R) and Kazakh President Nursultan Nazarbayev (L), as they meet in the Belarussian capital Minsk on August 26, 2014. Putin and Poroshenko who are meeting in Minsk for key talks on August 26, exchanged a firm handshake before going into what are likely to be difficult talks as fighting raged between pro-Russian rebels and Kiev's troops. AFP PHOTO / KIRILL KUDRYAVTSEV (Photo credit should read KIRILL KUDRYAVTSEV/AFP/Getty Images)

Belarus' President Alexander Lukashenko (C) gestures next to Russia's President Vladimir Putin (2nd L), Ukraine's President Petro Poroshenko (2nd R), EU foreign policy chief Catherine Ashton (R) and Kazakh President Nursultan Nazarbayev (L), as they meet in the Belarussian capital Minsk on August 26, 2014. Putin and Poroshenko who are meeting in Minsk for key talks on August 26, exchanged a firm handshake before going into what are likely to be difficult talks as fighting raged between pro-Russian rebels and Kiev's troops.  AFP PHOTO / KIRILL KUDRYAVTSEV        (Photo credit should read KIRILL KUDRYAVTSEV/AFP/Getty Images)